package com.css.zfzx.fwsjcj.commen.util;
import org.apache.commons.lang3.StringUtils;
import java.util.Arrays;

public class DivisionAnalysUtil {

    public static void main(String[] args) {
        String address= DivisionAnalysUtil.covertOnlyDetailAddress("重庆市渝北区龙山大道xx号x幢2xxx");
        System.out.println(address);
        String pcdStr= DivisionAnalysUtil.covertFullPCD("黑龙江省鸡西市");
        System.out.println(pcdStr);
        String[] addressArrays = convertDetailAddressToPCD("黑龙江省鸡西市");
        String[] addressArray = DivisionAnalysUtil.convertDetailAddressToPCD("山东省临沂市兰山区李官镇小李官村XXXXX号");
        System.out.println(Arrays.asList(addressArray).toString());
    }

    /**
     * 只获取出详细地址
     *
     * @param fullAddress
     * @return
     */
    public static String covertOnlyDetailAddress(String fullAddress) {
        String[] addressArrays = convertDetailAddressToPCD(fullAddress);
        return addressArrays[addressArrays.length - 1];
    }

    /**
     * 只获取出省市区的拼接
     *
     * @param fullAddress
     * @return
     */
    public static String covertFullPCD(String fullAddress) {
        String[] addressArrays = convertDetailAddressToPCD(fullAddress);
        StringBuffer pdcStrBuffer=new StringBuffer();
        for (int i = 0; i < addressArrays.length-1; i++) {
            if (StringUtils.isNotEmpty(addressArrays[i])){
                pdcStrBuffer.append(addressArrays[i]);
            }
        }
        return pdcStrBuffer.toString();
    }

    /**
     * 处理详细地址拆分省 市 区 地址的转换关系
     *
     * @param detailAddress
     * @return
     */
    public static String[] convertDetailAddressToPCD(String detailAddress) {
        String[] r = new String[4];
        try {
            String tempStr = detailAddress;
            String province = null;
            int provinceIdx = processProvince(tempStr);
            if (provinceIdx > -1) {
                province = tempStr.substring(0, provinceIdx + 1);
                tempStr = tempStr.substring(provinceIdx + 1);
            }
            String city = null;
            int cityIdx = processCity(tempStr);
            if (cityIdx > -1) {
                city = tempStr.substring(0, cityIdx + 1);
                tempStr = tempStr.substring(cityIdx + 1);
            }
            String county = null;
            int countyIdx = processCounty(tempStr);
            if (countyIdx > -1) {
                county = tempStr.substring(0, countyIdx + 1);
                tempStr = tempStr.substring(countyIdx + 1);
            }
            String street = tempStr;
            r[0] = province;
            r[1] = city;
            r[2] = county;
            r[3] = street;
        } catch (Exception e) {
            // 报错就直接返回r 为空即可。无法正常转义
        }

        return r;
    }

    // (?<province>[^省]+自治区|.*?省|.*?行政区|.*?市)
    private static int processProvince(String s) {
        int[] idxs = new int[3];
        int provinceIdx = -1;
        if ((provinceIdx = s.indexOf("省")) > -1)
            idxs[0] = provinceIdx;
        provinceIdx = -1;
        if ((provinceIdx = s.indexOf("市")) > -1)
            idxs[1] = provinceIdx;
        provinceIdx = -1;
        if ((provinceIdx = s.indexOf("区")) > -1)
            idxs[2] = provinceIdx;
        Arrays.sort(idxs);
        for (int i = 0; i < idxs.length; i++) {
            int j = idxs[i];
            if (j > 0) {
                return j;
            }
        }

        return provinceIdx;
    }

    // (?<city>[^市]+自治州|.*?地区|.*?行政单位|.+盟|市辖区|.*?市|.*?县)
    private static int processCity(String s) {
        int[] idxs = new int[7];
        int cityIdx = -1;
        if ((cityIdx = s.indexOf("县")) > -1)
            idxs[0] = cityIdx;
        cityIdx = -1;
        if ((cityIdx = s.indexOf("自治州")) > -1)
            idxs[1] = cityIdx + 2;
        cityIdx = -1;
        if ((cityIdx = s.indexOf("市辖区")) > -1)
            idxs[2] = cityIdx + 2;
        cityIdx = -1;
        if ((cityIdx = s.indexOf("市")) > -1)
            idxs[3] = cityIdx;
        cityIdx = -1;
        if ((cityIdx = s.indexOf("区")) > -1)
            idxs[4] = cityIdx;
        cityIdx = -1;
        if ((cityIdx = s.indexOf("地区")) > -1)
            idxs[5] = cityIdx + 1;
        cityIdx = -1;
        if ((cityIdx = s.indexOf("盟")) > -1)
            idxs[6] = cityIdx;

        Arrays.sort(idxs);

        for (int i = 0; i < idxs.length; i++) {
            int j = idxs[i];
            if (j > 0) {
                return j;
            }
        }

        return cityIdx;
    }

    // (?<county>[^县]+县|.+区|.+市|.+旗|.+海域|.+岛)
    private static int processCounty(String s) {
        int[] idxs = new int[6];
        int countyIdx = -1;
        if ((countyIdx = s.indexOf("县")) > -1)
            idxs[0] = countyIdx;
        countyIdx = -1;
        if ((countyIdx = s.indexOf("旗")) > -1)
            idxs[1] = countyIdx;
        countyIdx = -1;
        if ((countyIdx = s.indexOf("海域")) > -1)
            idxs[2] = countyIdx + 1;
        countyIdx = -1;
        if ((countyIdx = s.indexOf("市")) > -1)
            idxs[3] = countyIdx;
        countyIdx = -1;
        if ((countyIdx = s.indexOf("区")) > -1)
            idxs[4] = countyIdx;
        countyIdx = -1;
        if ((countyIdx = s.indexOf("岛")) > -1)
            idxs[5] = countyIdx;
        Arrays.sort(idxs);
        for (int i = 0; i < idxs.length; i++) {
            int j = idxs[i];
            if (j > 0) {
                return j;
            }
        }

        return countyIdx;
    }
}
